Exclusive features only for the iPad:* All new user interface* Updated graphics taking full advantage of the iPads GPU* Create, edit, and share your own levels with the built-in level editor* Downloadable additional levels free for endless gameplay

5 unique locations around the world: * Mid-West United States* Antarctic tundra* South American Amazon* South Asian Ocean* Eastern European Cavern

Plus:* 8-12 hours of game-play in the campaign* Hours of additional challenges* Freeplay modes* Dozens of new supplies available to help along the way